package com.itheima.mapper;

import com.itheima.bean.Student;
import com.itheima.bean.Teacher;
import org.apache.ibatis.annotations.Many;
import org.apache.ibatis.annotations.Result;
import org.apache.ibatis.annotations.Results;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface TeacherIf {
    @Select("select * from teacher")
    @Results({
            @Result(column = "id",property = "id"),
            @Result(column = "name",property = "name"),
            @Result(
                    property = "students",
                    javaType = List.class,
                    column = "id",
                    many = @Many(select = "com.itheima.mapper.StudentForTeacher.selectAll")
            )

    })
    public List<Teacher> selectAll() throws Exception;
}
